What is Data?

O3 cross-chain wallet allows users to record custom data which will be stored permanently on the blockchain.


  1. Select the asset you want to transfer on the wallet homepage;

  2. Click [Send];

  3. Selec [Advanced] at the bottom of the transfer page;

  4. Click [Plain] and enter the custom data page;

  5. Enter the information you would like to be permanently stored on the block chain, such as "O3".

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